Examine all the vitrified test chamber doors

Achievement Guide for Door Prize

Achievement won on 21 Apr 11TA Score for this game: 1,687
Posted on 21 April 11 at 01:23, Edited on 18 August 12 at 21:20

This solution has 114 positive votes and 11 negative votes. Please log in to vote.

This is in chapter 6 titled "The Fall"This viedo by IGN will show u a step by step guides to getting the door prize achievement. i have also been informed that u can also get this achievement through the challenges modes Cave Johnson and PatatOS. i hope this helps u in your quest to a thousand in portal 2

There are 21 comments relating to this Solution | Please log in to comment on this solution.